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How To Identify True And False Titanium Dioxide

Tianhong Mining Co.,Ltd | Updated: May 09, 2018

Physical method:
The easiest way is to compare the handles, fake titanium dioxide is more slippery, true titanium dioxide is more astringent, water is washed, hands are stained with titanium dioxide, and it is easy to wash off falsely, it is not easy to wash away; take a glass of clear water and lose titanium dioxide. Go in, float up is true, precipitation goes false (if it is activated modified product does not work).
Chemical method:
Mixed with light calcium or heavy calcium: Add dilute sulfuric acid or hydrochloric acid, bubbles can make clarified lime water become turbid, because calcium carbonate reacts with acid to produce carbon dioxide; mixed with lithopone: add dilute sulfuric acid or hydrochloric acid, the smell of smelly eggs Made of latex paint, plus iron red, dark color, indicating poor hiding power is false or poor quality titanium dioxide.

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